After following, you can keep track of his dynamic information in a timely manner
Courses in the relevant section：String manipulation functions
replacce（“要替换的字符串”，“要替换成的字符串”）
2018-12-210个赞
Courses in the relevant section：Use of multi-application verification code library
composer require topthink/think-captcha
2020-09-280个赞
